099-04AT1G

{
  "schema_version": 1,
  "type": "component",
  "slug": "099-04at1g",
  "title": "099-04AT1G",
  "brief": "UMW ESD And Surge Protection (TVS/ESD), SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "circuit protection",
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  "component": {
    "mpn": "099-04AT1G",
    "manufacturer": "UMW",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755873160716013568",
    "parts": {
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      "footprint": "099-04at1g.kicad_mod",
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      "model_3d_plain": "099-04at1g-etched.glb",
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      "model_3d_step_plain": "099-04at1g.step",
      "lbr": "099-04at1g.lbr"
    },
    "distributor_links": {
      "lcsc": "C19723968"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T21:49:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CH1",
        "type": "bidirectional",
        "description": "Channel 1 ESD-protected I/O line that steers ESD current to the VDD or GND rail, with a 5 V reverse working voltage and 0.9 pF max I/O-to-GND capacitance."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the ESD array, connected to the negative rail, with the integrated zener between VDD and GND."
      },
      {
        "number": "3",
        "name": "CH2",
        "type": "bidirectional",
        "description": "Channel 2 ESD-protected I/O line that steers ESD current to the VDD or GND rail, with 0.45 pF max channel-to-channel capacitance."
      },
      {
        "number": "4",
        "name": "CH3",
        "type": "bidirectional",
        "description": "Channel 3 ESD-protected I/O line that steers ESD current to the VDD or GND rail, with 0.45 pF max channel-to-channel capacitance."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply rail of the ESD array, with the integrated zener connected between VDD and GND."
      },
      {
        "number": "6",
        "name": "CH4",
        "type": "bidirectional",
        "description": "Channel 4 ESD-protected I/O line that steers ESD current to the VDD or GND rail, with 0.45 pF max channel-to-channel capacitance."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin numbers were inferred from the printed pinning diagram on page 1 (bottom row 1-2-3 left to right; The datasheet gives no per-pin electrical limits or explicit pin-function text; pin descriptions com"
        ],
        "pages_sent": 7,
        "cost_usd": 0.034,
        "at": "2026-10-18T21:47:34"
      },
      "datasheet": {
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        "pages": 7,
        "sha256": "975681842d7cbbe9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "d145688d412510c4406ab51cbefd6293495de0e9bfcad9b8b3b1f018deff7f91",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "UMW",
      "Package": "SOT-23-6",
      "Category": "Circuit Protection",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "975681842d7cbbe96485ed5c267ca57a8407198ca62b53f8980a055cd9fb1acd",
      "rows": [
        {
          "name": "Reverse Working Voltage",
          "symbol": "VRWM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "Any I/O pin to GND",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Breakdown Voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 6,
          "typ": null,
          "max": null,
          "conditions": "IT=1mA, Any I/O pin to GND",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Leakage Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VRWM=5V, T=25°C, Any I/O pin to GND",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Capacitance Between Channel",
          "symbol": "CJ1",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 0.35,
          "max": 0.45,
          "conditions": "VR=0V, f=1MHz, Between I/O pins",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Capacitance Between I/O and GND",
          "symbol": "CJ2",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 0.9,
          "conditions": "VR=0V, f=1MHz, Any I/O pin to GND",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Power",
          "symbol": "PPP",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "8/20µs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
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          "unit": "A",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "8/20µs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD per IEC 61000-4-2 (Air)",
          "symbol": "VESD1",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -15,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD per IEC 61000-4-2 (Contact)",
          "symbol": "VESD2",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -8,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature Range",
          "symbol": "TOPR",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TJ, TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "099-04AT1G (UMW) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}